Astronomy and Astrophysics – Astronomy
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spd....28.0240a&link_type=abstract
American Astronomical Society, SPD meeting #28, #02.40; Bulletin of the American Astronomical Society, Vol. 29, p.900
Astronomy and Astrophysics
Astronomy
Scientific paper
We study the two-dimensional behavior of partially ionized gas in magnetized regions of the solar atmosphere. The highly time-dependent nature of solar magnetic fields frequently produce interacting oppositely directed magnetic fields. Since in partially ionized gases the ions "feel" the field more than the neutral atoms, the gas which emerges from such interacting fields may have a different ion/atom ratio than the ambient medium. By extending the ZEUS-3D code to apply to a partially ionized gas, we have quantified this effect. Our simulations show that enhancements in ion/atom ratios may be as large as a factor of almost 12. These results may be relevant to understanding EUV data from SKYLAB which suggest that the abundance of elements with low FIP in the solar corona are systematically enhanced in certain magnetic structures.
Arge Charles Nickolos
Mullan Dermott J.
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